CN105180628B - A kind of heat-pump-type tail recuperation of heat adverse current dryer - Google Patents
A kind of heat-pump-type tail recuperation of heat adverse current dryer Download PDFInfo
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- CN105180628B CN105180628B CN201510497120.1A CN201510497120A CN105180628B CN 105180628 B CN105180628 B CN 105180628B CN 201510497120 A CN201510497120 A CN 201510497120A CN 105180628 B CN105180628 B CN 105180628B
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- 230000002411 adverse Effects 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 239000003507 refrigerant Substances 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 20
- 239000000463 material Substances 0.000 abstract description 9
- 230000035515 penetration Effects 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000005119 centrifugation Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a kind of heat-pump-type tail recuperation of heat adverse current dryer, the draught hood connection air-introduced machine of dryer, air-introduced machine empties after the evaporator of cyclone dust collectors connection heat pump；The evaporator of heat pump connects main frame through refrigerant pipe, and main frame connects condenser through refrigerant pipe；The condensed device in outlet side of air blower is connected into fan housing；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 set aerofoil fan in cone bucket, is realized the penetration adverse current low temperature drying of material and heat pump is particularly suitable for the heat recovery of low temperature exhaust gas by air-introduced machine, heat exchanger and the cone bucket for setting below sieve plate steel band closing；Blade is hollow anti-water-drop-shaped, and backboard realizes the real-time cleaning of dust on draught fan 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 laying dust heat-pump-type tail recuperation of heat adverse current dryer.
Background technology
Drying of the drying temperature less than 60 degrees Celsius is typically turned into low temperature drying by people, 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 it is more difficult enter end of line recuperation of heat.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 reclaimed, then it is especially important for improving drying efficiency and realizing that energy-saving and emission-reduction all have
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, because the occasion that dryer uses all contains certain dust, air-introduced machine work mostly
When making, air-flow during the draught fan impeller of high speed rotation by that can be departed from air-flow phase and be deposited due to centrifugation, dust granule
It 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 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 heat-pump-type tail recuperation of heat adverse current dryer of dust on automatic cleaning draught fan impeller.
For overcome the deficiencies in the prior art, the present invention takes following technical scheme：
A kind of heat-pump-type tail recuperation of heat adverse current dryer, including dryer and air-introduced machine, it is characterised in that；Dryer both ends
It is respectively equipped with draught hood and enters fan housing, draught hood connection air-introduced machine, air-introduced machine connects the evaporation of heat pump through cyclone dust collectors
Emptied after device；The evaporator of heat pump connects main frame through refrigerant pipe, and main frame connects condenser through refrigerant pipe；The outlet of air blower
Condensed device is held to connect into fan housing；The air-introduced machine includes draught fan impeller and casing, and draught fan impeller includes impeller backboard, impeller face
Plate and blade, for blade arrangement into impeller Axial and radial, centrosymmetric hollow anti-water-drop-shaped, impeller backboard is dish；It is hollow to turn one's coat
Drop shape blade connection impeller panel is simultaneously welded to form impeller bodies with dish-shaped impeller backboard；Impeller panel is provided with air inlet, dish
Impeller backboard is fixed by rivet and connection shaft seat, axle bed are connected by axis hole and fan shaft；Casing is provided with air intake
Mouthful and air outlet, cabinet form contour line be involute, the round heart of involute and blower fan axis coinciding, 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 is provided with cover plate, also has air inlet to be easy to connecting pipe, and axle center and impeller axle center on cover plate
Overlap.
There are drive roll and driven voller to drive sieve plate steel band to pass through in the dryer, the cone of closing is provided with below sieve plate steel band
Bucket, cone bucket is interior to be provided 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.
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 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, completes tail recuperation of heat by evaporator fin is introduced after damp and hot tail gas cyclone dust removal, passes through
Heat pump main frame works, and convey refrigerant by refrigerant pipe discharges heat in fin condenser, and the air that air blower blasts is in fin
On condenser after heat exchange heating, enter dryer by entering fan housing, complete the drying of penetration adverse current and tail recuperation of heat.
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：
By air-introduced machine, heat exchanger and the cone bucket for setting below sieve plate steel band closing, aerofoil fan is set in cone bucket,
The penetration adverse current low temperature drying of material is realized, drying efficiency and speed is improved, also reduces energy consumption；Heat-pump-type tail heat is returned
The heat recovery for being adapted to exhaust temperature relatively low is received, it is especially efficiently convenient.
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, drive roll；2nd, feed hopper；3rd, sieve plate steel band；4th, cone bucket；5th, aerofoil fan；6th, draught hood；11、
Dryer；12nd, fan housing is entered；13rd, driven voller；14th, discharge bucket；21st, cyclone dust collectors；22 evaporators；23rd, blast pipe；24th, refrigerant
Pipe；25th, heat pump main frame；26th, condenser；27th, air blower；31st, anti-water-drop-shaped 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；43、
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.
Heat-pump-type tail recuperation of heat adverse current dryer as shown in Figure 1, Figure 2, Figure 3 and Figure 4, including dryer 11 and air-introduced machine A,
The both ends of dryer 11 are respectively equipped with draught hood 6 and enter fan housing 12, and draught hood 6 connects air-introduced machine A, and air-introduced machine A is through cyclone dust collectors
Emptied after the evaporator 22 of 21 connection heat pumps；The evaporator 22 of heat pump connects main frame 25, main frame 25 through refrigerant pipe 24
Condenser 26 is connected through refrigerant pipe 24；The condensed device 26 in outlet side of air blower 27 is connected into fan housing 12；The air-introduced machine includes
Draught fan impeller 41 and casing 45, draught fan impeller 41 include impeller backboard 37, impeller panel 38 and blade 31, and blade 31 is arranged to leaf
Axial and radial, centrosymmetric hollow anti-water-drop-shaped are taken turns, impeller backboard 37 is dish；Hollow anti-water-drop-shaped blade 31 connects impeller face
Plate 38 is simultaneously welded to form impeller bodies with dish-shaped impeller backboard 37；Impeller panel 38 is provided with air inlet 33, dish-shaped impeller backboard 37
Fixed by rivet 35 and connection shaft seat 34, axle bed 34 are connected by axis hole 36 with fan shaft；Casing 45 be provided with into
Air port 42 and air outlet 47, cabinet form contour line are involutes, the round heart of involute and blower fan axis coinciding, involute slave
The inner side of shell air outlet 47 starts, and line radius is gradually increased with involute circle, terminates to the outside of shell air outlet 47, casing air-out
Mouth width B is equal to involute and justifies 43 girths；Shell air inlet 42 is provided with cover plate 46, also has air inlet to be easy to connecting tube on cover plate
Road, and axle center and impeller axis coinciding.
There are drive roll 1 and driven voller 13 to drive sieve plate steel band 3 to pass through in the dryer 11, the lower section of sieve plate steel band 3 is provided with
The cone bucket 4 of closing, cone bucket 4 is interior to be provided 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, realize penetration counter-current drying.
The both ends of sieve plate steel band 3 are respectively equipped with feed hopper 2 and discharge bucket 14, 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 2, passed through with sieve plate steel band 3 inside dryer 11, opens axle stream
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, is completed evaporator fin 22 is introduced after damp and hot tail gas cyclone dust removal
Tail recuperation of heat, worked by heat pump main frame 25, refrigerant release heat, air blast in fin condenser 26 are conveyed by refrigerant pipe 24
The air that machine 27 blasts is exchanged heat on fin condenser 26 after heating, is entered dryer 11 by entering fan housing 12, is completed penetration
Adverse current drying and tail recuperation of heat.
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 heat-pump-type tail recuperation of heat adverse current dryer, including dryer and air-introduced machine, it is characterised in that；Dryer both ends point
Draught hood and fan housing She You not be entered, draught hood connection air-introduced machine, air-introduced machine connects the evaporator of heat pump through cyclone dust collectors
After empty；The evaporator of heat pump connects main frame through refrigerant pipe, and main frame connects condenser through refrigerant pipe；The outlet side of air blower
Condensed device is connected into fan housing；The air-introduced machine includes draught fan impeller and casing, and draught fan impeller includes impeller backboard, impeller panel
And blade, for blade arrangement into impeller Axial and radial, centrosymmetric hollow anti-water-drop-shaped, impeller backboard is dish；Hollow drop of turning one's coat
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
Backboard is taken turns to be connected by axis hole and fan shaft by rivet fixation and connection shaft seat, axle bed；Casing is provided with air inlet
And air outlet, cabinet form contour line are involutes, the round heart of involute and blower fan axis coinciding, 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 is provided with cover plate, also has air inlet to be easy to connecting pipe, and axle center and impeller axle center weight on cover plate
Close；There are drive roll and driven voller to drive sieve plate steel band to pass through in the dryer, the cone bucket of closing, cone are provided with below sieve plate steel band
Aerofoil fan is provided with bucket.
2. heat-pump-type tail recuperation of heat adverse current dryer according to claim 1, it is characterised in that：The sieve plate steel band both ends point
She You not feed hopper and discharge bucket.
3. heat-pump-type tail recuperation of heat adverse current dryer according to claim 1 or claim 2, it is characterised in that：The hollow drop of turning one's coat
Shape blade is combined into by the welding of two panels Curved surface metal, and has symmetrical streamline profile.
4. heat-pump-type tail recuperation of heat adverse current dryer according to claim 1 or claim 2, it is characterised in that：The casing is fixed on
On support.
5. heat-pump-type tail recuperation of heat adverse current dryer 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 |
|---|---|---|---|
| CN201510497120.1A CN105180628B (en) | 2015-08-14 | 2015-08-14 | A kind of heat-pump-type tail recuperation of heat adverse current dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497120.1A CN105180628B (en) | 2015-08-14 | 2015-08-14 | A kind of heat-pump-type tail recuperation of heat adverse current dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105180628A CN105180628A (en) | 2015-12-23 |
| CN105180628B true CN105180628B (en) | 2017-11-17 |
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| CN201510497120.1A Active CN105180628B (en) | 2015-08-14 | 2015-08-14 | A kind of heat-pump-type tail recuperation of heat adverse current dryer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089492A (en) * | 2000-09-11 | 2002-03-27 | Matsushita Seiko Co Ltd | Impeller for centrifugal fan |
| 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 |
| CN102141340A (en) * | 2011-03-10 | 2011-08-03 | 富阳思达机械有限公司 | Cross-flow belt type drier |
| CN103471373A (en) * | 2013-10-09 | 2013-12-25 | 吉首大学 | Penetrating type reverse-flow drying device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201323730A (en) * | 2011-12-07 | 2013-06-16 | Hon Hai Prec Ind Co Ltd | Fan and fan assembly |
-
2015
- 2015-08-14 CN CN201510497120.1A patent/CN105180628B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089492A (en) * | 2000-09-11 | 2002-03-27 | Matsushita Seiko Co Ltd | Impeller for centrifugal fan |
| 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 |
| CN102141340A (en) * | 2011-03-10 | 2011-08-03 | 富阳思达机械有限公司 | Cross-flow belt type drier |
| CN103471373A (en) * | 2013-10-09 | 2013-12-25 | 吉首大学 | Penetrating type reverse-flow drying device |
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| CN105180628A (en) | 2015-12-23 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Misheng Inventor before: Zhang Xu Inventor before: Zhang Peng Inventor before: Yin Yongzhong Inventor before: Zhang Siyan Inventor before: Zhang Chi |
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Effective date of registration: 20171011 Address after: 511340 Guangdong city in Guangzhou Province, Zengcheng Xintang Town Road No. 125 (excellence in the core area of Zengcheng economic and Technological Development Zone) Applicant after: Guangdong New Energy Technology Development 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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Denomination of invention: Heat pump type tail heat recovery counter flow dryer Effective date of registration: 20191118 Granted publication date: 20171117 Pledgee: China Co. truction Bank Corp Guangzhou green finance reform and innovation pilot area Huadu Branch Pledgor: Guangdong New Energy Technology Development Co.,Ltd. Registration number: Y2019440000197 |
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Date of cancellation: 20220111 Granted publication date: 20171117 Pledgee: China Co. truction Bank Corp Guangzhou green finance reform and innovation pilot area Huadu Branch Pledgor: GUANGDONG NEW ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2019440000197 |
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Denomination of invention: Heat pump type tail heat recovery countercurrent dryer Effective date of registration: 20220117 Granted publication date: 20171117 Pledgee: China Co. truction Bank Corp Guangzhou Zengcheng branch Pledgor: GUANGDONG NEW ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2022980000638 |
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Address after: 510000 No. 125, CHUANGYOU Road, Xintang Town, Zengcheng, Guangzhou, Guangdong (in the core area of Zengcheng economic and Technological Development Zone) Patentee after: Guangdong Newente New Energy Technology Co.,Ltd. Country or region after: China Address before: No.125 CHUANGYOU Road, Xintang Town, Zengcheng, Guangzhou, Guangdong 511340 (in the core area of Zengcheng economic and Technological Development Zone) Patentee before: GUANGDONG NEW ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region before: China |