CN105605661A - Solar phase-change heat storage type warmer - Google Patents
Solar phase-change heat storage type warmer Download PDFInfo
- Publication number
- CN105605661A CN105605661A CN201610108543.4A CN201610108543A CN105605661A CN 105605661 A CN105605661 A CN 105605661A CN 201610108543 A CN201610108543 A CN 201610108543A CN 105605661 A CN105605661 A CN 105605661A
- Authority
- CN
- China
- Prior art keywords
- heat
- phase
- medium
- solar energy
- storage case
- 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
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The invention discloses a solar phase-change heat storage type warmer which comprises a solar heat collection box and a phase-change heat storage box. A heat absorption module, a medium evaporation tank and a medium backflow tank are arranged in the heat collection box. A phase-change heat storage module is arranged in the phase-change heat storage box, an airflow channel is formed between a housing of the phase-change heat storage module and an inner housing of the phase-change heat storage box, and cooling fins are arranged on the housing of the phase-change heat storage module. A condensing coil and a phase-change material for performing heat exchange with the condensing coil are arranged in the phase-change heat storage module, and the condensing coil is provided with an air inlet port and an air outlet port. The air inlet port of the condensing coil is connected with the medium evaporation tank, the air outlet port of the condensing coil is connected with the medium backflow tank, the condensing coil, the medium backflow tank, an evaporation heat exchange tube and the medium evaporation tank are sequentially connected to form a heat exchange medium circulating channel, and the heat exchange medium circulating channel is filled with a heat exchange medium. The solar phase-change heat storage type warmer has the advantages of being reasonable in design, simple in structure, small in power consumption, free of pollution and the like.
Description
Technical field
The present invention relates to a kind of warmer, relate in particular to a kind of solar energy phase transition heat accumulation formula warmer.
Background technology
Along with the development of market economy, people's material and cultural life has obtained significant raising, and household heating and refrigeration plant, in city or rural area is all widely used, natural resources and energy resources problem at present, problem of environmental pollution is day by day serious, comfortable in guarantee, when health requirements, how effectively and reasonably to distribute and to utilize resource, extensively carry out energy-saving and emission-reduction activity, the consumption that reduces conventional energy resource becomes the important topic of human social economy's sustainable development, in the winter of Xia Redong cryogenic region, the heating heating system that people use, it is mainly electric heating, comprise air-conditioning, hot water radiation, electric heating oil is ordered, electrothermal quartz tube warmer, carbon fiber super bath, electric-heating ceramic heating heater, but these heating equipments are all to adopt electricity heating, and power consumption is large, cost heating is not ideal enough, all there is the excessive problem of peak-valley difference of power supply network in development of world economy country in recent years, seriously hinder the reasonable use of electric power resource, affect especially the effective development of electric heating equipment, in addition existing air conditioning and heating power consumption is large, manufacturing cost is high, in installation and practical process, also have some problems, such as outer machine in use can shift amount of heat to environment, do not meet the requirement of energy-saving and emission-reduction,
When existing household heating equipment uses in sum, power consumption is large, part electrical equipment heating installation is in the time that overall grid load reaches peak value, heating time and electrical heating time are simultaneously, can aggravate so the excessive problem of power network load peak-valley difference, also have some heating products not meet the requirement of safety and Health low-carbon (LC).
Summary of the invention
Goal of the invention, in order to overcome deficiency of the prior art, the object of the invention is by a kind of solar energy phase transition heat accumulation formula warmer, possess reasonable in design, solar collecting performance good, phase-transition heat-storage is effective, the advantage such as rapid and pollution-free heats, the energy that need not be extra under nominal situation, economic environmental protection.
Technical scheme: for achieving the above object, technical scheme of the present invention is as follows:
A kind of solar energy phase transition heat accumulation formula warmer, comprises solar energy heat collection box and phase-transition heat-storage case; It is characterized in that:
In described heat-collecting box, be provided with heat-absorbing model, medium evaporator and medium back flow tank, described heat-absorbing model comprises collecting plate and is positioned at the evaporating heat-exchanging pipe on collecting plate heat collector surface, described evaporating heat-exchanging pipe has media outlet and medium inlet, connect described medium evaporator at described media outlet, connect described medium back flow tank in described medium inlet;
In described phase-transition heat-storage case, be provided with phase transformation heat-storage module, between the shell of phase transformation heat-storage module and the inner housing of phase-transition heat-storage case, form gas channel, be provided with radiated rib at the shell of phase transformation heat-storage module; The phase-change material that is provided with condenser coil and carries out heat exchange with described condenser coil in described phase transformation heat-storage module; Described condenser coil is provided with air inlet port and the port of giving vent to anger; Housing one side wall surface at described phase-transition heat-storage case is provided with inlet valve, is provided with exhaust valve at the housing opposite side wall of phase-transition heat-storage case; Described inlet valve place is provided with supply fan, and at exhaust valve, place is provided with exhaust fan; Described supply fan and exhaust fan are opened by set air damper controller control;
The air inlet of described condenser coil is connected with described medium evaporator, the gas outlet of described condenser coil is connected with described medium back flow tank, described condenser coil, medium back flow tank, evaporating heat-exchanging pipe and medium evaporator are in turn connected to form heat transferring medium circulation canal, in heat transferring medium circulation canal, are perfused with heat transferring medium.
Be provided with warming plate at the described heat-absorbing model back side.
Be equipped with solar selective coat on described heat-absorbing model surface.
Described phase-transition heat-storage case is thermal-insulating body, and the inner housing of described phase-transition heat-storage case is radiant panel.
Described solar energy heat collection box be arranged on phase-transition heat-storage case above; The upper plate of described phase-transition heat-storage case doubles as the lower shoe into solar energy heat collection box, and described upper plate is insulation laminate.
The installation site of described medium evaporator is higher than medium back flow tank.
Described radiated rib becomes notch cuttype to be ordered on four limit outer walls of phase transformation heat-storage module.
Beneficial effect
1, the present invention is absorbed the radiant energy of solar energy and is converted into heat energy by the heat-absorbing model in solar energy heat collection box, transfer heat to the working media of evaporator inside simultaneously, make it to become gaseous state by liquid state heat absorption, gaseous working medium enters condenser coil through steam output pipe, gaseous state heat release is condensed into liquid state, and working media condensation liberated heat adds the phase-change material in thermal regenerator module.
2, the present invention is welded with radiated rib on the housing outer wall of phase transformation heat-storage module; Described radiated rib becomes notch cuttype to be ordered on the outer wall of module; The described stairstepping radiated rib of selecting, can ensure phase transformation heat-storage module radiation heat release, can reach again the effect of buffer gas flow. The present invention is provided with metal framework in the bottom of warmer shell, is connected with roller, and system can heat with mobile under nominal situation in mobile accumulation of heat, especially by heat-collecting box and the case integrated design of phase-transition heat-storage.
Brief description of the drawings
Fig. 1 is the connection diagram of heating installation of the present invention;
Fig. 2 is the top view of solar energy heat collection box in heating installation of the present invention;
Fig. 3 is the appearance front view of solar energy phase transition heat accumulation formula warmer of the present invention;
Fig. 4 is the appearance side view of solar energy phase transition heat accumulation formula warmer of the present invention.
Number in the figure
1, warmer shell; 2, solar energy heat collection box; 3, phase-transition heat-storage case; 4, heat-collecting box glass cover-plate; 5, evaporating heat-exchanging pipe; 6, collecting plate; 7, medium evaporator; 8, steam output pipe; 9, insulation laminate; 10, insulation backboard; 11, phase transformation heat-storage module; 12, phase-change material; 13, flow control pump; 14, condenser coil; 15, condensate liquid return duct; 16, radiated rib; 17, temperature sensor; 18, temperature detect switch (TDS); 19, inlet valve; 20, exhaust valve; 21, supply fan; 22, exhaust fan; 23, medium back flow tank; 24, air door linkage controller.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described
As shown in accompanying drawing 1, accompanying drawing 2, a kind of solar energy phase transition heat accumulation formula warmer, comprises warmer shell 1, bracing frame and roller. In warmer shell 1, be provided with solar energy heat collection box 2 and be placed in the phase-transition heat-storage case 3 below heat-collecting box; The upper plate of phase-transition heat-storage case 3 is insulation laminate 9, and warming plate 9 doubles as the lower shoe into solar energy heat collection box 2; In heat-collecting box, be provided with evaporating heat-exchanging pipe 5, collecting plate 6, medium evaporator 7 and medium back flow tank 23; Collecting plate 6 and the evaporating heat-exchanging pipe 5 formation heat-absorbing model that links into an integrated entity, is equipped with solar selective coat on heat-absorbing model surface; There is heat transferring medium at evaporating heat-exchanging pipe 5 and the interior tinning of medium evaporator 7; A side at heat-absorbing model is provided with medium evaporator 7, is provided with medium back flow tank 23 at the opposite side of heat-absorbing model, and the installation site of its medium evaporator will be higher than medium back flow tank; Be provided with warming plate 10 at the heat-absorbing model back side.
Phase-transition heat-storage case 3 is thermal-insulating body, and thermal-insulating body is made up of inner housing and shell body, between inner housing and shell body, has insulation sheet; In phase-transition heat-storage case 3, be provided with phase transformation heat-storage module 11; Phase transformation heat-storage module 11 is quad seal container, and the housing of phase transformation heat-storage module adopts high-efficiency heat conduction metallic plate to make, and is filled with phase-change material 12 in phase transformation heat-storage module 11; In phase transformation heat-storage module 11, be provided with spiral condenser coil 14, spiral condenser coil 14 is provided with air inlet port and the port of giving vent to anger; Air inlet one end of condenser coil is connected with steam output pipe 8 one end through the case top of phase transformation heat-storage module 11, and the other end of steam output pipe 8 is connected with the medium evaporator 7 of heat-collecting box; One end, gas outlet of condenser coil is connected with condensate liquid return duct 15 through the housing bottom of phase transformation heat-storage module 11, and the other end serial connection flow control pump 13 of condensate liquid return duct 15 is connected with the medium back flow tank 23 in heat-collecting box; Housing one side at phase-transition heat-storage case 3 is provided with inlet valve 19, is provided with exhaust valve 20 at the housing opposite side of phase-transition heat-storage case; Inlet valve 19 places are provided with supply fan 21, and at exhaust valve, 20 places are provided with exhaust fan 22; Supply fan 21 and exhaust fan 22 are controlled unlatching by set air damper controller 24; The inner housing of phase-transition heat-storage case is radiant panel, is provided with radiated rib at the shell body of phase transformation heat-storage module 11, between the shell body of phase transformation heat-storage module 11 and the inwall of phase-transition heat-storage case 3, forms gas channel.
On the housing outer wall of phase transformation heat-storage module 11, be welded with radiated rib 16; Radiated rib becomes notch cuttype to be ordered on four limit outer walls of module; Fin 16 arrays are from inlet valve to exhaust valve place lengthened blades gradually, like this can buffer gas flows, and allow gas in heat storage tank, form the curved flow direction, relatively extend flow process, and allow the abundant heat exchange of gas. The described stairstepping radiated rib of selecting, can ensure phase transformation heat-storage module radiation heat release, can reach again the effect of buffer gas flow.
Be provided with temperature sensor 17 at the outer wall of phase-transition heat-storage case 3, temperature sensor 17 is connected with temperature detect switch (TDS) 18; Be provided with safe traffic control pump 13 at condensate liquid return line; The measuring junction of temperature sensor 17 extend in phase-change material 12 through the top of phase transformation heat-storage module 11, according to measured temperature value, determines the unlatching of safe traffic control pump or closes. Temperature detect switch (TDS) 18 is controlled the duty of safe traffic control pump 13; The signal output part of temperature sensor 17 is connected with the signal input part of temperature detect switch (TDS) 18, and the signal output part of temperature detect switch (TDS) is connected with the signal input part of safe traffic control pump 13.
As shown in accompanying drawing 3, accompanying drawing 4, solar energy warmer of the present invention, system is to heat to accumulation of heat module in phase-transition heat-storage case by evaporator by the heat collecting module of solar energy heat collection box, its solar energy phase transition heat accumulation formula warmer can be arranged in the place of indoor Nanyang platform towards sunlight, can also be placed on the place that garden faces south. Solar energy phase transition heat accumulation warmer is rack-mount, becomes inclination 45 degree daylightings towards sunlight. In the time that use is of the present invention, when sunlight is irradiated on heat-absorbing model by transparent cover plate, now on heat-absorbing model fin, solar selectively absorbing coating absorbs solar radiation and is converted into heat energy, transfer heat to the working media of evaporator inside simultaneously, make it to become gaseous state by liquid heat absorption, gaseous working medium enters condenser pipe through steam output pipe, and gaseous state heat release is condensed into liquid state, and working media condensation liberated heat adds the phase-change material in thermal regenerator module. Liquid working media enters evaporator through inflow-rate of water turbine control pump after condensation heat release, thereby the solar energy that again absorbs self heat absorption module converts enters a heat transmission circulation.
Along with the temperature of phase-change material in accumulation of heat module constantly raises, in system, operating pressure and operating temperature also constantly raise, until the heated phase-change material temperature in phase transformation heat-storage module reaches design temperature, cut off condensate liquid return duct by flow control pump, stop feed flow.
Flow control pump is arranged between condenser coil and medium back flow tank, its temperature that can ensure phase transformation heat-storage module in heat storage tank can be not too high, can protect solar energy heat collection box evaporator under super-pressure, not move, after the temperature in phase transformation heat-storage module reaches target setting temperature, cut off condensate liquid return duct by closing flow control pump, thereby cut off the transmission of heat; Closing of flow control pump can effectively avoid system to occur excess pressure, if do not stop the feed flow to evaporator, in sun-drenched situation, can make whole system hypertonia.
Claims (7)
1. a solar energy phase transition heat accumulation formula warmer, comprises solar energy heat collection box and phase-transition heat-storage case; It is characterized in that:
In described heat-collecting box, be provided with heat-absorbing model, medium evaporator and medium back flow tank, described heat-absorbing model comprises collecting plate and is positioned at the evaporating heat-exchanging pipe on collecting plate heat collector surface, described evaporating heat-exchanging pipe has media outlet and medium inlet, described media outlet is connected with described medium evaporator, and described medium inlet is connected with described medium back flow tank;
In described phase-transition heat-storage case, be provided with phase transformation heat-storage module, between the shell of phase transformation heat-storage module and the inner housing of phase-transition heat-storage case, form gas channel, be provided with radiated rib at the shell of phase transformation heat-storage module; The phase-change material that is provided with condenser coil and carries out heat exchange with described condenser coil in described phase transformation heat-storage module; Described condenser coil is provided with air inlet port and the port of giving vent to anger; Housing one side wall surface at described phase-transition heat-storage case is provided with inlet valve, is provided with exhaust valve at the housing opposite side wall of phase-transition heat-storage case; Described inlet valve place is provided with supply fan, and at exhaust valve, place is provided with exhaust fan; Described supply fan and exhaust fan are opened by set air damper controller control;
The air inlet of described condenser coil is connected with described medium evaporator, the gas outlet of described condenser coil is connected with described medium back flow tank, described condenser coil, medium back flow tank, evaporating heat-exchanging pipe and medium evaporator are in turn connected to form heat transferring medium circulation canal, in heat transferring medium circulation canal, are perfused with heat transferring medium.
2. solar energy phase transition heat accumulation formula warmer according to claim 1, is characterized in that: be provided with warming plate at the described heat-absorbing model back side.
3. solar energy phase transition heat accumulation formula warmer according to claim 1, is characterized in that: be equipped with solar selective coat on described heat-absorbing model surface.
4. solar energy phase transition heat accumulation formula warmer according to claim 1, is characterized in that: described phase-transition heat-storage case is thermal-insulating body, the inner housing of described phase-transition heat-storage case is radiant panel.
5. solar energy phase transition heat accumulation formula warmer according to claim 1, is characterized in that: described solar energy heat collection box be arranged on phase-transition heat-storage case above; The upper plate of described phase-transition heat-storage case doubles as the lower shoe into solar energy heat collection box, and described upper plate is insulation laminate.
6. solar energy phase transition heat accumulation formula warmer according to claim 1, is characterized in that: the installation site of described medium evaporator is higher than medium back flow tank.
7. solar energy phase transition heat accumulation formula warmer according to claim 1, is characterized in that: described radiated rib becomes notch cuttype to be ordered on four limit outer walls of phase transformation heat-storage module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610108543.4A CN105605661A (en) | 2016-02-29 | 2016-02-29 | Solar phase-change heat storage type warmer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610108543.4A CN105605661A (en) | 2016-02-29 | 2016-02-29 | Solar phase-change heat storage type warmer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105605661A true CN105605661A (en) | 2016-05-25 |
Family
ID=55985819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610108543.4A Pending CN105605661A (en) | 2016-02-29 | 2016-02-29 | Solar phase-change heat storage type warmer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105605661A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107062372A (en) * | 2017-05-31 | 2017-08-18 | 海宁家能太阳能工业有限公司 | A kind of solar energy warmer of outdoor |
CN107763723A (en) * | 2017-12-11 | 2018-03-06 | 山东泰安亿美达能源科技有限公司 | A kind of new type solar energy graphene warmer |
CN109579127A (en) * | 2018-12-07 | 2019-04-05 | 西安建筑科技大学 | A kind of double air duct solar energy hot blast heaters |
CN111720995A (en) * | 2017-02-28 | 2020-09-29 | 美的集团股份有限公司 | Water heater |
WO2023035594A1 (en) * | 2021-09-10 | 2023-03-16 | 青岛海尔空调器有限总公司 | Heating system and control method therefor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005127694A (en) * | 2003-09-29 | 2005-05-19 | Matsushita Electric Ind Co Ltd | Heat storage type solar panel, solar system, heat storage type solar heat pump system, and operating method for heat storage type solar heat pump system |
CN103216955A (en) * | 2013-05-14 | 2013-07-24 | 上海筑能环境科技有限公司 | Energy-storage solar heat collector |
CN104896773A (en) * | 2015-07-02 | 2015-09-09 | 青岛科瑞新型环保材料有限公司 | Solar phase change heat storage system |
CN205425135U (en) * | 2016-02-29 | 2016-08-03 | 杨斯涵 | Solar energy phase -change thermal formula room heater |
-
2016
- 2016-02-29 CN CN201610108543.4A patent/CN105605661A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005127694A (en) * | 2003-09-29 | 2005-05-19 | Matsushita Electric Ind Co Ltd | Heat storage type solar panel, solar system, heat storage type solar heat pump system, and operating method for heat storage type solar heat pump system |
CN103216955A (en) * | 2013-05-14 | 2013-07-24 | 上海筑能环境科技有限公司 | Energy-storage solar heat collector |
CN104896773A (en) * | 2015-07-02 | 2015-09-09 | 青岛科瑞新型环保材料有限公司 | Solar phase change heat storage system |
CN205425135U (en) * | 2016-02-29 | 2016-08-03 | 杨斯涵 | Solar energy phase -change thermal formula room heater |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111720995A (en) * | 2017-02-28 | 2020-09-29 | 美的集团股份有限公司 | Water heater |
CN111720995B (en) * | 2017-02-28 | 2021-11-09 | 美的集团股份有限公司 | Water heater |
CN107062372A (en) * | 2017-05-31 | 2017-08-18 | 海宁家能太阳能工业有限公司 | A kind of solar energy warmer of outdoor |
CN107763723A (en) * | 2017-12-11 | 2018-03-06 | 山东泰安亿美达能源科技有限公司 | A kind of new type solar energy graphene warmer |
CN109579127A (en) * | 2018-12-07 | 2019-04-05 | 西安建筑科技大学 | A kind of double air duct solar energy hot blast heaters |
WO2023035594A1 (en) * | 2021-09-10 | 2023-03-16 | 青岛海尔空调器有限总公司 | Heating system and control method therefor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202928135U (en) | Wall-mounted flat-plate solar water heater with separated heat pipes | |
CN105605661A (en) | Solar phase-change heat storage type warmer | |
CN101231003B (en) | Construction integrated solar heat pump heating system based on self-adaptation control | |
CN202869028U (en) | Power driving and separation heat pipe split type panel solar water heater | |
CN108317652A (en) | A kind of solar energy heating ventilating system towards passive room | |
CN104595967A (en) | Heating device of solar water heater with discrete-type heat pipes | |
CN105444246A (en) | Solar air and heat pump heating agent compound heat collector heating system | |
CN107750763A (en) | A kind of temperature-increasing system of heliogreenhouse | |
CN106388632A (en) | Phase-change heat storage oven | |
CN105240898A (en) | Phase-change heat storage heater | |
CN212806110U (en) | Energy storage device and carbon dioxide heat pump coupling system utilizing natural energy | |
CN204285855U (en) | Loop heat pipe type photovoltaic and photothermal integral wall | |
CN201973898U (en) | Whole-roof solar water heater utilizing air as working medium | |
CN102645044A (en) | Direct-expansion solar heat pump water heating system | |
CN102607099A (en) | Passive type solar heat collecting box | |
CN205191703U (en) | Phase -change thermal's room heater | |
CN106595067A (en) | Micro-channel solar heating system based on superconducting heat pipe technology | |
CN205425135U (en) | Solar energy phase -change thermal formula room heater | |
CN103162465A (en) | Solar energy supply system | |
CN109737486A (en) | A kind of combined warming system of heat collecting and accumulating wall and air water heat collector | |
CN216693691U (en) | Solar heat pipe wall body radiation heating device | |
CN203024437U (en) | Air-water composite type solar energy efficient heat collection device | |
CN205718000U (en) | A kind of solar water heater system | |
CN212227204U (en) | Intelligent sensing heat recovery solar heating roof system | |
CN208983649U (en) | Flow-guiding type solar air heat collection system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160525 |