CN107917561A - The defroster and Teat pump boiler of a kind of Teat pump boiler - Google Patents
The defroster and Teat pump boiler of a kind of Teat pump boiler Download PDFInfo
- Publication number
- CN107917561A CN107917561A CN201610887536.9A CN201610887536A CN107917561A CN 107917561 A CN107917561 A CN 107917561A CN 201610887536 A CN201610887536 A CN 201610887536A CN 107917561 A CN107917561 A CN 107917561A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- pump boiler
- teat pump
- defroster
- outdoor heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
- F25B2347/023—Set point defrosting
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention belongs to Teat pump boiler field, disclose a kind of defroster of Teat pump boiler, compressor, water-side heat, expansion valve and outdoor heat exchanger including circuit is set gradually and formed along refrigerant circulating direction, the heat exchange pipeline of the outdoor heat exchanger are equipped with capillary and the solenoid valve set with the capillary paralleling；Under defrosting state, the expansion valve opening is adjusted to maximum, and the solenoid valve is closed；Under non-defrosting state, the expansion valve plays throttling action, and the solenoid valve is opened.The present invention is by setting capillary and solenoid valve, in defrosting, expansion valve opening is adjusted to maximum first, it is then turned off solenoid valve, and pipeline heater is further opened, refrigerant is raised by pipeline heater temperature after heating, is defrosted subsequently into outdoor heat exchanger to it, the defrosting of outdoor heat exchanger can be effectively realized, and heating effect is not interfered with defrosting.
Description
Technical field
The present invention relates to the defroster and heat of Teat pump boiler correlative technology field, more particularly to a kind of Teat pump boiler
Pump water heater.
Background technology
Household heat pump water heater usually requires to set defroster at present, defrosts to its outdoor heat exchanger.Heat at present
The defrosting mode of pump water heater is using modes such as inverse defrosting, bypass defrosting, electric heated defrostings, is also had using defrost coil pipe
The design of defrost is assisted with antifreeze heating tube, but these defrost patterns there are problems that, such as defrost overlong time, influence
Heating, heating efficiency reduces, and heat exchange temperature is excessive after defrost causes energy waste.
The content of the invention
It is an object of the invention to provide the defroster and Teat pump boiler of a kind of Teat pump boiler, to solve existing heat
The above problem existing for pump water heater defrost pattern.
For this purpose, the present invention uses following technical scheme：A kind of defroster of Teat pump boiler, including edge refrigeration
Agent circulating direction sets gradually and forms the compressor in circuit, water-side heat, expansion valve and outdoor heat exchanger, the outdoor
The heat exchange pipeline of heat exchanger is equipped with capillary and the solenoid valve set with the capillary paralleling；
Under defrosting state, the expansion valve opening is adjusted to maximum, and the solenoid valve is closed；
Under non-defrosting state, the expansion valve plays throttling action, and the solenoid valve is opened.
Preferably, further including pipeline heater, the pipeline heater is arranged at the expansion valve and outdoor heat exchanger
Between, and pipeline heater is opened under defrosting state, is closed under non-defrosting state.
Preferably, the capillary and solenoid valve are arranged on the heat exchange pipeline outside outdoor heat exchanger.
Preferably, the heat exchange pipeline includes the inlet pipeline and outlet conduit interconnected, the inlet pipeline position
Inside the outdoor heat exchanger, the outlet conduit part is located outside inside heat exchanger, and outlet conduit is located outside and changes
Part and the end portion of the inlet pipeline in hot device is arranged in a crossed manner.
Preferably, the capillary and solenoid valve are arranged on the portion that the outlet conduit is located outside outside heat exchanger
On point.
Preferably, the outdoor heat exchanger is single-pass heat exchanger.
Preferably, the outdoor heat exchanger is multithread pass heat exchanger.
The present invention also provides a kind of Teat pump boiler, include the defroster of above-mentioned Teat pump boiler.
Preferably, further including water-storing tank, the water-side heat of the defroster of the Teat pump boiler is located at water storage
At water tank, the water in the water-storing tank is heated.
Expansion valve opening, in defrosting, is adjusted to maximum, then by the present invention first by setting capillary and solenoid valve
Solenoid valve is closed, and further opens pipeline heater, refrigerant is raised by pipeline heater temperature after heating, Ran Houjin
Enter outdoor heat exchanger to defrost to it, the defrosting of outdoor heat exchanger can be effectively realized, and do not interfere with defrosting
Heating effect.And can realize and heat recovery is carried out to the heat exchanger of high temperature after defrost, improve energy utilization rate.
Brief description of the drawings
Fig. 1 is the structure diagram of the defroster of the Teat pump boiler of the embodiment of the present invention one；
Fig. 2 is the structure diagram of the Teat pump boiler of the embodiment of the present invention one；
Fig. 3 is the structure diagram of the defroster of the Teat pump boiler of the embodiment of the present invention two；
Fig. 4 is the structure diagram of the Teat pump boiler of the embodiment of the present invention two.
In figure：
1st, compressor；2nd, water-side heat；3rd, expansion valve；4th, outdoor heat exchanger；5th, capillary；6th, solenoid valve；7th, pipeline
Heater；8th, wind turbine；10th, water-storing tank.
Embodiment
Further illustrate technical scheme below with reference to the accompanying drawings and specific embodiments.
Embodiment one：
The present embodiment provides a kind of defroster of Teat pump boiler, as shown in Figure 1, the defroster of the Teat pump boiler
Compressor 1, water-side heat 2, expansion valve 3 and outdoor including circuit is set gradually and formed along refrigerant circulating direction are changed
Hot device 4, is equipped with capillary 5 and the solenoid valve 6 being arranged in parallel with capillary 5 on the heat exchange pipeline of outdoor heat exchanger 4, above-mentioned
Compressor 1, expansion valve 3, solenoid valve 6 can be controlled by control device and opened and closed.Above-mentioned outdoor heat exchanger 4 exchanges heat for single process
Device, and its side is equipped with wind turbine 8, for exchanging heat with outside air.
In the present embodiment, above-mentioned capillary 5 and solenoid valve 6 can be arranged in the heat exchange inside outdoor heat exchanger 4
It on pipeline, can also be arranged on the heat exchange pipeline outside outdoor heat exchanger 4, can specifically be set according to different requirements
Put.Consider to be disposed in the outdoor inside heat exchanger 4 in the present embodiment, can cause 4 processed complex of outdoor heat exchanger, manufacture cost compared with
Greatly, therefore by capillary 5 and solenoid valve 6 it is arranged on the heat exchange pipeline outside outdoor heat exchanger 4, in order to which outdoor is changed
The manufacture of hot device 4.
In the present embodiment, the heat exchange pipeline of above-mentioned outdoor heat exchanger 4 includes the inlet pipeline 41 and outlet that interconnect
Road 42, inlet pipeline 41 are located outside the inside of heat exchanger 4, and 42 part of outlet conduit is located outside the inside of heat exchanger 4, refrigeration
Agent is entered in outdoor heat exchanger 4 by inlet pipeline 41 to be exchanged heat with outside air or carries out defrost to outdoor heat exchanger 4
Afterwards, flowed out to through outlet conduit 42 in compressor 1.
After refrigerant is by inlet pipeline 41 and to 4 defrost of outdoor heat exchanger, it can cause 4 body of outdoor heat exchanger and week
The temperature enclosed becomes higher, and the partial heat is not utilized in existing structure, therefore, in the present embodiment, will preferably go out
Mouthful pipeline 42 is located outside part in heat exchanger 4 and the end portion of inlet pipeline 41 is arranged in a crossed manner, and then when refrigerant passes through
Inlet pipeline 41 flows into outdoor heat exchanger 4,, can be again by above-mentioned structure arranged in a crossed manner after cocurrent inlet/outlet pipeline 42
Into in outdoor heat exchanger 4, heat to the high temperature refrigerant in the heat in air, the heat of defrosting water, inlet pipeline 41,
The heat of outdoor heat exchanger 4 after defrost is absorbed, and improves energy utilization rate, and can reduce entrance
To the liquid refrigerating dosage of compressor, liquid hit phenomenon is further reduced.
In the present embodiment, capillary 5 and solenoid valve 6 are arranged at outlet conduit 42 and are located outside outside heat exchanger 4
On part, in order to the manufacture of outdoor heat exchanger 4.
The defroster of the above-mentioned Teat pump boiler of the present embodiment under non-defrosting state when when heating (namely normal),
Expansion valve 3 plays throttling action, and solenoid valve 6 is in opening, exhaust of the refrigerant of high temperature and pressure from compressor 1 at this time
Mouth enters water-side heat 2, water is heated by water-side heat 2, the refrigerant liquid then flowed out by water-side heat 2
Body enters outdoor heat exchanger 4 after throttling by expansion valve 3, and heat is absorbed in outdoor heat exchanger 4, due to the resistance of capillary 5
Power acts on, and refrigerant enters compressor 1 by solenoid valve 6, completes whole heating circulation.
When the defroster of above-mentioned Teat pump boiler is under defrosting state, 3 aperture of expansion valve is adjusted to maximum, i.e., does not play throttling
Effect, solenoid valve 6 are then closed, and are remained unchanged at this time by the refrigerant temperature of water-side heat 2 very high, at this time due to swollen
Swollen valve 3 does not play throttling action, and the still higher refrigerant of temperature is directly entered inlet pipeline 41, outdoor heat exchanger 4 is changed
Frost, then carries out the refrigerant after defrost and enters outlet conduit 42, and throttles through the capillary 5 on outlet conduit 42, again
Into in outdoor heat exchanger 4, the part and the end portion of inlet pipeline 41 that are located outside by outlet conduit 42 in heat exchanger 4
Arranged in a crossed manner, the heat in refrigerant suction air, the heat of defrosting water in outlet conduit 42, the heat of high temperature refrigerant
The heat of outdoor heat exchanger 4 after amount, defrost, enters compressor 1 afterwards, starts the heating circulation of next step.
In the present embodiment, in order to realize more preferable defrosting effect, it is additionally provided between expansion valve 3 and outdoor heat exchanger 4
Pipeline heater 7, when being defrosted, pipeline heater 7, which is in, opens heated condition, the refrigeration flowed out from water-side heat 2
Agent can further be thermally formed high temperature refrigerant by pipeline heater 7, in order to preferably defrost to outdoor heat exchanger 4.This reality
Apply in example, it is necessary to illustrate, in non-defrosting state, above-mentioned pipeline heater 7 is closed, i.e., refrigerant is by pipe
During channel heater 7, it will not be heated by.
The present embodiment also provides a kind of Teat pump boiler, as shown in Fig. 2, the Teat pump boiler includes above-mentioned Heat Pump
The defroster of hydrophone, and water-storing tank 10, specifically, the water-side heat 2 of the defroster of Teat pump boiler is positioned at storage
At water tank 10, the water in water-storing tank 10 is heated.
The above-mentioned Teat pump boiler of the present embodiment, can be effectively real by using the defroster of above-mentioned Teat pump boiler
The defrosting of existing outdoor heat exchanger, and do not interfere with heating effect in defrosting.
Embodiment two：
The present embodiment provides a kind of defroster of Teat pump boiler, its defrosting with the Teat pump boiler in embodiment one
The outdoor heat exchanger 4 that device differs only in the present embodiment is the Heat Pump of multithread pass heat exchanger, remaining structure and embodiment one
The defroster of hydrophone is identical, and details are not described herein, and the defroster structure of the Teat pump boiler of the present embodiment is as shown in Figure 3.
The present embodiment also provides a kind of Teat pump boiler, as shown in figure 4, it includes the defrosting of above-mentioned Teat pump boiler
Device, and water-storing tank 10, specifically, the water-side heat 2 of the defroster of Teat pump boiler is located at water-storing tank 10,
Water in water-storing tank 10 is heated.
Obviously, the above embodiment of the present invention is just for the sake of clear explanation example of the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (9)
1. a kind of defroster of Teat pump boiler, including set gradually along refrigerant circulating direction and form the compressor in circuit
(1), water-side heat (2), expansion valve (3) and outdoor heat exchanger (4), it is characterised in that outdoor heat exchanger (4) are changed
Hot channel is equipped with capillary (5) and the solenoid valve (6) being arranged in parallel with the capillary (5)；
Under defrosting state, expansion valve (3) aperture is adjusted to maximum, and the solenoid valve (6) is closed；
Under non-defrosting state, the expansion valve (3) plays throttling action, and the solenoid valve (6) is opened.
2. the defroster of Teat pump boiler according to claim 1, it is characterised in that pipeline heater (7) is further included,
The pipeline heater (7) is arranged between the expansion valve (3) and outdoor heat exchanger (4), and pipeline heater (7) is defrosting
Open under state, closed under non-defrosting state.
3. the defroster of Teat pump boiler according to claim 2, it is characterised in that the capillary (5) and electricity
Magnet valve (6) is arranged on the exterior heat exchange pipeline of outdoor heat exchanger (4).
4. the defroster of Teat pump boiler according to claim 3, it is characterised in that the heat exchange pipeline includes mutual
The inlet pipeline (41) and outlet conduit (42) of connection, the inlet pipeline (41) are located at the outdoor heat exchanger (4) inside, institute
State outlet conduit (42) and be partly located outside heat exchanger (4) inside, and outlet conduit (42) is located outside the portion in heat exchanger (4)
Divide arranged in a crossed manner with the end portion of the inlet pipeline (41).
5. the defroster of Teat pump boiler according to claim 4, it is characterised in that the capillary (5) and electricity
Magnet valve (6) is arranged on the outlet conduit (42) and is located outside on the exterior part of heat exchanger (4).
6. the defroster of Teat pump boiler according to claim 5, it is characterised in that the outdoor heat exchanger (4) is
Single-pass heat exchanger.
7. the defroster of Teat pump boiler according to claim 5, it is characterised in that the outdoor heat exchanger (4) is
Multithread pass heat exchanger.
A kind of 8. Teat pump boiler, it is characterised in that the defrosting dress including the Teat pump boiler as described in claim 1-7 is any
Put.
9. Teat pump boiler according to claim 8, it is characterised in that further include water-storing tank (10), the Heat Pump
The water-side heat (2) of the defroster of hydrophone is located at water-storing tank (10) place, and the water in the water-storing tank (10) is carried out
Heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610887536.9A CN107917561A (en) | 2016-10-11 | 2016-10-11 | The defroster and Teat pump boiler of a kind of Teat pump boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610887536.9A CN107917561A (en) | 2016-10-11 | 2016-10-11 | The defroster and Teat pump boiler of a kind of Teat pump boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917561A true CN107917561A (en) | 2018-04-17 |
Family
ID=61892721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610887536.9A Pending CN107917561A (en) | 2016-10-11 | 2016-10-11 | The defroster and Teat pump boiler of a kind of Teat pump boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107917561A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163471A (en) * | 2018-07-18 | 2019-01-08 | 嘉兴学院 | Energy-saving comfortable air conditioner with separate hot pump system and its control method |
| CN110470017A (en) * | 2019-08-03 | 2019-11-19 | 青岛海尔空调器有限总公司 | Control method and device, air-conditioning for air-conditioner defrosting |
| CN110793239A (en) * | 2019-10-10 | 2020-02-14 | 青岛新欧亚能源有限公司 | Large-scale air source heat pump frosting judgment and online defrosting system and method |
| CN111121290A (en) * | 2019-12-19 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Control method and control device of electronic expansion valve and heat pump water heater |
| CN114963291A (en) * | 2021-06-29 | 2022-08-30 | 青岛海尔新能源电器有限公司 | Heating machine control method, device, equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1403756A (en) * | 2001-08-29 | 2003-03-19 | 广东科龙电器股份有限公司 | Uninterrupted heating process and air conditioning system |
| CN2767925Y (en) * | 2005-01-10 | 2006-03-29 | 颜世峰 | Heating cycle system for air energy heat pump |
| CN101144662A (en) * | 2007-06-06 | 2008-03-19 | 西安建筑科技大学 | Dual-purpose heat pump device for winter and summer |
| CN203454454U (en) * | 2013-06-28 | 2014-02-26 | 美的集团股份有限公司 | Heat pump air-conditioning system |
| CN103759456A (en) * | 2014-01-27 | 2014-04-30 | 平武臣 | Heat exchange system of air conditioner or heat pump and defrosting method of heat exchange system |
| CN203785219U (en) * | 2014-01-27 | 2014-08-20 | 平武臣 | Heat-pump efficient heat exchange system with defrosting device |
-
2016
- 2016-10-11 CN CN201610887536.9A patent/CN107917561A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1403756A (en) * | 2001-08-29 | 2003-03-19 | 广东科龙电器股份有限公司 | Uninterrupted heating process and air conditioning system |
| CN2767925Y (en) * | 2005-01-10 | 2006-03-29 | 颜世峰 | Heating cycle system for air energy heat pump |
| CN101144662A (en) * | 2007-06-06 | 2008-03-19 | 西安建筑科技大学 | Dual-purpose heat pump device for winter and summer |
| CN203454454U (en) * | 2013-06-28 | 2014-02-26 | 美的集团股份有限公司 | Heat pump air-conditioning system |
| CN103759456A (en) * | 2014-01-27 | 2014-04-30 | 平武臣 | Heat exchange system of air conditioner or heat pump and defrosting method of heat exchange system |
| CN203785219U (en) * | 2014-01-27 | 2014-08-20 | 平武臣 | Heat-pump efficient heat exchange system with defrosting device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163471A (en) * | 2018-07-18 | 2019-01-08 | 嘉兴学院 | Energy-saving comfortable air conditioner with separate hot pump system and its control method |
| CN109163471B (en) * | 2018-07-18 | 2024-04-05 | 嘉兴学院 | Energy-saving comfortable type split heat pump air conditioning system and control method thereof |
| CN110470017A (en) * | 2019-08-03 | 2019-11-19 | 青岛海尔空调器有限总公司 | Control method and device, air-conditioning for air-conditioner defrosting |
| CN110793239A (en) * | 2019-10-10 | 2020-02-14 | 青岛新欧亚能源有限公司 | Large-scale air source heat pump frosting judgment and online defrosting system and method |
| CN110793239B (en) * | 2019-10-10 | 2021-07-27 | 青岛新欧亚能源有限公司 | Large-scale air source heat pump frosting judgment and online defrosting system and method |
| CN111121290A (en) * | 2019-12-19 | 2020-05-08 | 宁波奥克斯电气股份有限公司 | Control method and control device of electronic expansion valve and heat pump water heater |
| CN111121290B (en) * | 2019-12-19 | 2021-11-09 | 宁波奥克斯电气股份有限公司 | Control method and control device of electronic expansion valve and heat pump water heater |
| CN114963291A (en) * | 2021-06-29 | 2022-08-30 | 青岛海尔新能源电器有限公司 | Heating machine control method, device, equipment and storage medium |
| CN114963291B (en) * | 2021-06-29 | 2023-11-17 | 青岛海尔新能源电器有限公司 | Heating machine control method, device, equipment and storage medium |
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Application publication date: 20180417 |