CN105180628A - Heat pump type tail heat recovery counter flow dryer - Google Patents
Heat pump type tail heat recovery counter flow dryer Download PDFInfo
- Publication number
- CN105180628A CN105180628A CN201510497120.1A CN201510497120A CN105180628A CN 105180628 A CN105180628 A CN 105180628A CN 201510497120 A CN201510497120 A CN 201510497120A CN 105180628 A CN105180628 A CN 105180628A
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- impeller
- heat
- air
- draught fan
- pump
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- 238000011084 recovery Methods 0.000 title abstract description 3
- 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
- 230000002411 adverse Effects 0.000 claims description 15
- 239000003507 refrigerant Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 9
- 238000009825 accumulation Methods 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000035515 penetration Effects 0.000 description 7
- 230000003068 static effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 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
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification 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
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000000149 penetrating effect 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a heat pump type tail heat recovery counter flow dryer. A draught hood of a dryer body is connected with a draught fan. The draught fan is connected with an evaporator of a heat pump system through a cyclone dust collector and then emptied. The evaporator of the heat pump system is connected with a host machine through a coolant pipe. The host machine is connected with a condenser through a coolant pipe. The air outlet end of an air blower is connected with an air intake hood through the condenser. An impeller of the draught fan is provided with blades which are in a hollow inverted water drop shape, and a back plate is of a dish-shaped structure. The contour line of the draught fan is an involute. The dryer is provided with the draught fan, a heat exchanger and closed conical hoppers arranged below a sieve plate steel strip, and axial-flow fans are arranged in the conical hoppers, so that through type counter flow low-temperature drying of materials is achieved, dust on the impeller of the draught fan is cleaned away in real time, the strength of the impeller of the draught fan is improved, stability is enhanced, safety accidents caused by dust accumulation are effectively eradicated, and the application prospects are wide.
Description
Technical field
The present invention relates to a kind of dryer, the concrete blower fan that guides can not the heat-pump-type tail recuperation of heat adverse current dryer of laying dust.
Background technology
Baking temperature is generally become low temperature drying lower than the drying of 60 degrees Celsius by people, and low temperature drying is widely used in the drying of the heat sensitive materials such as crop seed, Chinese medicine, biological products.Hot air type drier due to technology maturation, adaptable, operating cost is low, reliability is strong, one of preferred unit remaining low temperature drying.Low temperature drying due to exhaust emissions temperature lower, thus more difficultly carry out tail recuperation of heat.If penetrating and adverse current oven dry material can be realized in hot air type low temperature drying process, and tail heat is effectively reclaimed, then for improving drying efficiency and realizing the meaning that energy-saving and emission-reduction all have particular importance.
Air-introduced machine is the key equipment of heated air drier; air-introduced machine is generally centrifugal blower; air-introduced machine continuous, stable, reliably working is very crucial to dryer; the occasion used due to dryer 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 heat-pump-type tail recuperation of heat adverse current dryer 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 heat-pump-type tail recuperation of heat adverse current dryer, comprises dryer and air-introduced machine, it is characterized in that; Dryer two ends are respectively equipped with draught hood and enter fan housing, and draught hood connects air-introduced machine, and air-introduced machine is emptying after the evaporimeter that cyclone dust collectors connect heat pump; The evaporimeter of heat pump connects main frame through refrigerant pipe, and main frame connects condenser through refrigerant pipe; The outlet side of air blast connects into fan housing through condenser; 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, and impeller backboard is dish; Hollow anti-water-drop-shaped 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 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.
There are drive roll and driven voller to drive sieve plate steel band to pass in described dryer, below sieve plate steel band, are provided with closed cone bucket, in cone bucket, be provided with aerofoil fan.After opening aerofoil fan, air flow energy is forced through the material of sieve plate steel band and top thereof, realizes penetration counter-current drying.
Described sieve plate steel band two ends are respectively equipped 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, carry out Homogeneous charge by feed hopper, inner through dryer with sieve plate steel band, after opening aerofoil fan, due to the sealing process of cone bucket, air-flow can be forced through the material of sieve plate steel band and top thereof, carries out penetration counter-current drying; Draught hood connects air-introduced machine air inlet, tail recuperation of heat is completed by introducing evaporator fin after damp and hot tail gas cyclone dust removal, through heat pump host work, by refrigerant pipe conveying refrigerant release heat in fin condenser, the air that air blast blasts on fin condenser heat exchange heat up after, entering dryer by entering fan housing, completing penetration adverse current and drying and tail recuperation of heat.
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 the impeller backboard of common air-introduced machine, the characteristics and advantages of dish impeller backboard is: when steel plate thickness is the same, dish backboard due to rigidity reinforced, stress dispersion, elastic buffer improve and shape stability also significantly improve, thus bearing capacity can be enhanced about more than once on common flat backboard basis.Because backboard almost carries whole fans load, understand more durable so dish made by backboard, the wheel hub of truck is because have disc structure, so bearing capacity strengthens, also more durable.
Compared with prior art, beneficial effect of the present invention is also:
By air-introduced machine, heat exchanger and arrange closed cone bucket below sieve plate steel band, in cone bucket, aerofoil fan is set, achieves the penetration adverse current low temperature drying of material, improve drying efficiency and speed, also reduce energy consumption; The recuperation of heat of heat-pump-type tail is applicable to the lower heat recovery of exhaust temperature, especially efficiently convenient.
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; 1, drive roll; 2, feed hopper; 3, sieve plate steel band; 4, cone bucket; 5, aerofoil fan; 6, draught hood; 11, dryer; 12, fan housing is entered; 13, driven voller; 14, discharge bucket; 21, cyclone dust collectors; 22 evaporimeters; 23, blast pipe; 24, refrigerant pipe; 25, heat pump main frame; 26, condenser; 27, air blast; 31, anti-water-drop-shaped blade; 32, impeller cylindrical; 33, impeller air inlet; 34, axle bed; 35, rivet; 36, axis hole; 37, dish-shaped 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.
Heat-pump-type tail recuperation of heat adverse current dryer as shown in Figure 1, Figure 2, Figure 3 and Figure 4, comprise dryer 11 and air-introduced machine A, dryer 11 two ends 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 emptying after the evaporimeter 22 that cyclone dust collectors 21 connect heat pump; The evaporimeter 22 of heat pump connects main frame 25 through refrigerant pipe 24, and main frame 25 connects condenser 26 through refrigerant pipe 24; The outlet side of air blast 27 connects into fan housing 12 through condenser 26; 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, and impeller backboard 37 is dish; Hollow anti-water-drop-shaped blade 31 connects impeller panel 38 and is 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 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.
There are drive roll 1 and driven voller 13 to drive sieve plate steel band 3 to pass in described dryer 11, below sieve plate steel band 3, are provided with closed cone bucket 4, in cone bucket 4, be provided with aerofoil fan 5.After opening aerofoil fan 5, air flow energy is forced through the material of sieve plate steel band 3 and top thereof, realizes penetration counter-current drying.
Described sieve plate steel band 3 two ends are respectively equipped with feed hopper 2 and discharge bucket 14, 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, carry out Homogeneous charge by feed hopper 2, inner through dryer 11 with sieve plate steel band 3, after opening aerofoil fan 5, owing to boring the sealing process of bucket 4, air-flow can be forced through the material of sieve plate steel band 3 and top thereof, carries out penetration counter-current drying; Draught hood 6 connects air-introduced machine A air inlet, tail recuperation of heat is completed by introducing evaporator fin 22 after damp and hot tail gas cyclone dust removal, work through heat pump main frame 25, refrigerant release heat in fin condenser 26 is carried by refrigerant pipe 24, the air that air blast 27 blasts on fin condenser 26 heat exchange heat up after, entering dryer 11 by entering fan housing 12, completing penetration adverse current and drying and tail recuperation of heat.
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 the impeller backboard of common air-introduced machine, the characteristics and advantages of dish impeller backboard 37 is: when steel plate thickness is the same, dish backboard due to rigidity reinforced, stress dispersion, elastic buffer improve and shape stability also significantly improve, thus bearing capacity can be enhanced about more than once on common flat backboard basis.Because backboard almost carries whole fans load, understand more durable so dish made by backboard, the wheel hub of truck is because have disc structure, so bearing capacity strengthens, also more durable.
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 heat-pump-type tail recuperation of heat adverse current dryer, comprises dryer and air-introduced machine, it is characterized in that; Dryer two ends are respectively equipped with draught hood and enter fan housing, and draught hood connects air-introduced machine, and air-introduced machine is emptying after the evaporimeter that cyclone dust collectors connect heat pump; The evaporimeter of heat pump connects main frame through refrigerant pipe, and main frame connects condenser through refrigerant pipe; The outlet side of air blast connects into fan housing through condenser; 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, and impeller backboard is dish; Hollow anti-water-drop-shaped 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 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. heat-pump-type tail recuperation of heat adverse current dryer according to claim 1, is characterized in that: have drive roll and driven voller to drive sieve plate steel band to pass in described dryer, be provided with closed cone bucket below sieve plate steel band, be provided with aerofoil fan in cone bucket.
3. heat-pump-type tail recuperation of heat adverse current dryer according to claim 1 or 2, is characterized in that: described sieve plate steel band two ends are respectively equipped with feed hopper and discharge bucket.
4. heat-pump-type tail recuperation of heat adverse current dryer 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. heat-pump-type tail recuperation of heat adverse current dryer according to claim 1 or 2, is characterized in that: described casing is fixed on support.
6. heat-pump-type tail recuperation of heat adverse current dryer 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 |
|---|---|---|---|
| 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 true CN105180628A (en) | 2015-12-23 |
| CN105180628B CN105180628B (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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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 (6)
| 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 |
| US20130149137A1 (en) * | 2011-12-07 | 2013-06-13 | Hon Hai Precision Industry Co., Ltd. | Fan |
| CN103471373A (en) * | 2013-10-09 | 2013-12-25 | 吉首大学 | Penetrating type reverse-flow drying device |
-
2015
- 2015-08-14 CN CN201510497120.1A patent/CN105180628B/en active Active
Patent Citations (6)
| 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 |
| US20130149137A1 (en) * | 2011-12-07 | 2013-06-13 | Hon Hai Precision Industry Co., Ltd. | Fan |
| CN103471373A (en) * | 2013-10-09 | 2013-12-25 | 吉首大学 | Penetrating type reverse-flow drying device |
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| Publication number | Publication date |
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| CN105180628B (en) | 2017-11-17 |
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| 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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| CB03 | Change of inventor or designer information | ||
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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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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
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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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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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